antshop/backend/logic/file/FileManager.php

<?php


namespace backend\logic\file;

use common\models\ars\TemFile;

class FileManager
{
    //数据表ats_file和ats_tem_file的类型字段type
    const TYPE_IMAGE = 1;//图片
    const TYPE_VIDEO = 2;//影视
    const TYPE_EXCEL = 3;//excel表单
    const TYPE_WORD = 4;//word文本
    const TYPE_TXT = 5;//txt文本

    public static $extension = [
        self::TYPE_IMAGE => ['jpg', 'png', 'jpeg'],
        self::TYPE_VIDEO => ['mp4'],
        self::TYPE_EXCEL => [],
        self::TYPE_WORD => ['docx'],
        self::TYPE_TXT => ['txt'],
    ];

    /**
     * @param $array
     * @param $value
     * @param int $key
     * @return int
     * 查看$extension数组中是否存在文件类型，不存在则返回-1
     */
    public function searchType($array,$value, $key=-1){
        foreach($array as $k=>$row){
            if(!is_array($row)){
                if($row == $value){
                    if($key != -1) {
                        return $key;
                    }else{
                        return -1;
                    }
                }
            }else{
                $r = self::searchType($row,$value, $k);
                if($r != -1){
                    return $r;
                }
            }
        }
        return -1;
    }
}